Is there any way post or remove a post-pregnancy naval piercing stretched out hole?

I've had my belly button pierced for several years.I removed the ring during pregnancy, but it still got very stretched and dark in and around the piercing. I dont mind the stretch marks they are not too visible, but I am very conscious about the wrinkly looking skin BETWEEN my belly button and the piercing hole. Also the piercing hole is so much larger. During pregnancy it looked like a brown horizontal line. Is there any way to help or fix the appearance?

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